Palmer amaranth battle in cotton has high price tag

For nearly a decade, cotton growers have been battling to save crops from the ravages of glyphosate-resistant Palmer amaranth (Amaranthus palmeri). Though in many ways they are finally gaining the upper hand, an expert with the Weed Science Society of America (WSSA) says the progress has come at a great cost.

“The current model simply isn’t sustainable,” says Stanley Culpepper, a professor in crop and soil science at the University of Georgia and member